*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.b-header{
    background-color: rgba(50, 21, 180, 0.514);
    height: 500px;
}

#logo{
    padding: 8px;
    font-size:xx-large;
    color: rgba(20, 19, 19, 0.438);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#btn{
    display: flex;
    margin-left: auto;
    margin-right: auto;
    background-color: rgb(60, 48, 189);
    color: rgb(255, 240, 240);
    border-radius: 15px;
    font-size: large;
    padding: 8px;
    border-bottom: 8px;
    border-right: 8px;
    box-shadow: 15px blueviolet;
    text-shadow: 15px rgb(0, 0, 0);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    cursor: pointer;
    margin-top: 35px;
}

a{
    color: white;
    text-decoration: none;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: large;
}
.wrap{
    background-color: rgb(51, 45, 45);
    width: 50%;
    height: 250px;
    text-align: center;
    transform: translate(50%,2%);
    margin-top: 25px;
    color: aliceblue;
}

#A-S{
    font-size: small;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#A-S1{
    font-size: x-small;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#btn1{
    background-color: rgb(59, 24, 125);
    color: rgb(255, 240, 240);
    border-radius: 5px;
    border-bottom: 3px;
    border-right: 3px;
    box-shadow: 15px blueviolet;
    text-shadow: 15px rgb(0, 0, 0);
    font-size: x-small;
    padding: 3px;
    cursor: pointer;
    font-size: large;
}



#RestTime{
    background-color: rgb(147, 104, 187);
    color: rgb(255, 255, 255);
}

#StudyTime{
    background-color: rgb(147, 104, 187);
    color: rgb(245, 244, 244);
    width: 165px;
}

#btn-screen{
    text-decoration: none;
    color: aliceblue;
}

#btn-screen1{
    text-decoration: none;
    color: rgba(20, 19, 19, 0.438);
}

.screen{
    text-align: center;
    padding: 15px;
    
}

#flex{
    display: flex;
    margin-left: auto;
    margin-right: auto;
    font-size: x-large;
}

#flex1{
    display: flex;
    margin-left: auto;
    margin-right: auto;
    font-size: x-large;
}

#flex2{
    display: flex;
    margin-left: auto;
    margin-right: auto;
    font-size: x-large;
}

#time-title{
    font-size: x-small;
    margin-right: 5px;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}



@media only screen and (max-width: 320px) {
    #StudyTime{
        width: 100px;
        margin-bottom: 15px;
    }
    #RestTime{
        width: 100px;
        margin-bottom: 15px;
    }

    .wrap{
        background-color: rgb(51, 45, 45);
        width: 60%;
        height: 300px;
        text-align: center;
        transform: translate(35%,2%);
        margin-top: 25px;
        color: aliceblue;
    }
    #flex1{
        font-size: large;
    }
    #flex2{
        font-size: large;
    }
  }
  @media only screen and (max-width: 550px) {
    #StudyTime{
        width: 150px;
        margin-bottom: 15px;
    }
    #RestTime{
        width: 160px;
        margin-bottom: 15px;
    }
  }

  #h11{
    text-align: center;
    font-size: x-large;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-decoration: none;
    color: brown;
}

#aboutInfo{
    text-align: center;
    font-size: xx-large;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#question{
    margin: 2px;
    font-size: x-large;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}
#answer{
    margin: 2px;
    font-family: 'Times New Roman', Times, serif;
    font-size: large;
    padding-bottom: 15px;
}

#infoabout{
    font-size: large;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-align: center;
}

hr{
    background-color: rgba(50, 21, 180, 0.514);
}

#elem{
    cursor: pointer;
    padding: 3px;
}